{"id":"PYSEC-2026-864","summary":"OpenStack Nova host data access through resize/migration","details":"The libvirt driver in OpenStack Compute (Nova) before 2015.1.4 (kilo) and 12.0.x before 12.0.3 (liberty), when using raw storage and use_cow_images is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk.","aliases":["CVE-2016-2140","GHSA-49jv-37hm-6gfp"],"modified":"2026-07-07T11:45:21.897882594Z","published":"2026-07-06T08:03:22.002134Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2140"},{"type":"WEB","url":"https://github.com/openstack/nova/commit/0b194187db9da28225cb5e62be3b45aff5a1c793"},{"type":"WEB","url":"https://github.com/openstack/nova/commit/116b1210ab772c55d1ed1f715687d83877c92701"},{"type":"WEB","url":"https://github.com/openstack/nova/commit/f302bf04ab5dda89cf8ceaeed309006da90c0666"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2016:0363"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2016:0364"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2016:0365"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2016:0366"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2016-2140"},{"type":"WEB","url":"https://bugs.launchpad.net/nova/+bug/1548450"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1313454"},{"type":"PACKAGE","url":"https://github.com/openstack/nova"},{"type":"WEB","url":"https://security.openstack.org/ossa/OSSA-2016-007.html"},{"type":"WEB","url":"http://seclists.org/oss-sec/2016/q1/563"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/03/08/6"},{"type":"WEB","url":"http://www.securityfocus.com/bid/84277"},{"type":"PACKAGE","url":"https://pypi.org/project/nova"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-49jv-37hm-6gfp"}],"affected":[{"package":{"name":"nova","ecosystem":"PyPI","purl":"pkg:pypi/nova"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.0.3"}]}],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/nova/PYSEC-2026-864.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}